Where are we? {UP FOR ADOPTION}(MHA X Fairy Tail)

KiraJane is Mirajane's sister and was working at the bar in Fairy Tail. 10 minutes later Wendy asked if Kira would like to go on a mission with her and she said yes.
Before they left Mira gave Kira a lacurma to call if something happens, when they were done a random portal came and took Wendy and Kira to a different world. Where are they? Find out in Where are we
I do not own MHA and fairy tail